Limestone is a type of sedimentary rock that is composed of CaCO3 i.e. mineral calcite. This stone finds wide application in many popular architecture and landmarks around the world. This stone is considered ideal for architectural purposes as it has the properties of high resistance in freezing and thawing conditions that makes it extremely useful. Other areas where Limestone finds wide applications are vanity tops, floor paving in large commercial complexes, slabs flooring, wall cladding, tiles in hospitals, railway stations, shopping malls, airports etc.